[Bug other/78063] libbacktrace fails to handle cross CU DW_AT_abstract_origin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78063 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/61502] == comparison on "one-past" pointer gives wrong result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 --- Comment #25 from Richard Biener --- (In reply to Harald van Dijk from comment #22) > (In reply to Andrew Pinski from comment #21) > > Invalid as mentioned a few times already but never actually closed until > > now. > > I posted a strictly

[Bug tree-optimization/61502] == comparison on "one-past" pointer gives wrong result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 --- Comment #26 from Richard Biener --- (In reply to James Y Knight from comment #24) > FWIW, clang did consider this a bug and fixed it in > https://bugs.llvm.org/show_bug.cgi?id=21327. Unfortunately it isn't visible _what_ change fixed this an

[Bug rtl-optimization/85638] [8/9 regression] build failure for Ada runtime with SJLJ exceptions on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85638 --- Comment #15 from xantares09 at hotmail dot com --- The build goes through with your second patch too, thanks a lot.

[Bug libstdc++/84949] -ffast-math bugged with respect to NaNs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84949 --- Comment #5 from rguenther at suse dot de --- On Thu, 3 May 2018, redi at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84949 > > --- Comment #4 from Jonathan Wakely --- > std::numeric_limits defines: > > stat

[Bug fortran/54613] [F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54613 --- Comment #9 from Thomas Koenig --- Author: tkoenig Date: Tue May 8 07:47:19 2018 New Revision: 260023 URL: https://gcc.gnu.org/viewcvs?rev=260023&root=gcc&view=rev Log: 2018-05-08 Thomas Koenig PR fortran/54613 * check.c

[Bug middle-end/38960] Wrong floating point reorder

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38960 --- Comment #6 from rguenther at suse dot de --- On Fri, 4 May 2018, joseph at codesourcery dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38960 > > --- Comment #5 from joseph at codesourcery dot com dot com> --- > Since any non

[Bug tree-optimization/85588] [6/7/8 Regression] -fwrapv miscompilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85588 --- Comment #9 from Richard Biener --- Author: rguenth Date: Tue May 8 07:55:24 2018 New Revision: 260024 URL: https://gcc.gnu.org/viewcvs?rev=260024&root=gcc&view=rev Log: 2018-05-08 Richard Biener PR middle-end/85588 * gcc

[Bug tree-optimization/85588] [6/7/8 Regression] -fwrapv miscompilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85588 --- Comment #8 from Richard Biener --- (In reply to Mikael Pettersson from comment #7) > (In reply to Richard Biener from comment #6) > > Fixed on trunk sofar. > > I believe the fix was mistakenly labelled as PR85574 (including the file > name o

[Bug tree-optimization/85627] [6/7/8 Regression] ICE in update_phi_components in tree-complex.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85627 --- Comment #10 from Richard Biener --- Author: rguenth Date: Tue May 8 08:32:46 2018 New Revision: 260025 URL: https://gcc.gnu.org/viewcvs?rev=260025&root=gcc&view=rev Log: 2018-05-08 Richard Biener Backport from mainline 2

[Bug testsuite/85654] [9 Regression] gcc.dg/vect/pr85586.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85654 Richard Biener changed: What|Removed |Added Component|tree-optimization |testsuite Summary|gcc.dg/vec

[Bug bootstrap/85571] [9 Regression] non-bootstrap-debug miscompare with trunk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85571 --- Comment #11 from Richard Biener --- Author: rguenth Date: Tue May 8 08:50:33 2018 New Revision: 260026 URL: https://gcc.gnu.org/viewcvs?rev=260026&root=gcc&view=rev Log: 2018-05-08 Richard Biener PR bootstrap/85571 confi

[Bug bootstrap/85571] [9 Regression] non-bootstrap-debug miscompare with trunk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85571 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/80691] Narrowing conversion in {} allowed in a SFINAE context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80691 --- Comment #5 from paolo at gcc dot gnu.org --- Author: paolo Date: Tue May 8 08:55:30 2018 New Revision: 260027 URL: https://gcc.gnu.org/viewcvs?rev=260027&root=gcc&view=rev Log: 2018-05-08 Paolo Carlini PR c++/80691 * g++

[Bug c++/80691] Narrowing conversion in {} allowed in a SFINAE context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80691 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug ipa/85655] [8/9 Regression] ICE with -flto and -O2 during IPA pass: cp lto1: internal compiler error: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85655 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED

[Bug target/85658] [8/9 Regression] gcc-8.0.1 stopped validating --with-arch= flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85658 Richard Biener changed: What|Removed |Added Target||arm Priority|P3

[Bug c++/81024] ICE within convert_like_real with std::initializer_list

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81024 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/80956] [7 Regression] ICE with abstract class vector

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80956 Paolo Carlini changed: What|Removed |Added CC||dmalcolm at gcc dot gnu.org --- Comment

[Bug target/85658] [8/9 Regression] gcc-8.0.1 stopped validating --with-arch= flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85658 Richard Earnshaw changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug c++/85662] [8/9 Regression] "error: non-constant condition for static assertion" from __builtin_offsetof in C++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85662 Richard Biener changed: What|Removed |Added Keywords||rejects-valid Priority|P3

[Bug sanitizer/85663] [8/9 Regression] gcc-8.0.1 regression: sanitizer fails to build on mips-unknown-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85663 Richard Biener changed: What|Removed |Added Target||mips Target Milestone|---

[Bug target/37759] powerpc option -mabi=no-spe still generates SPE instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37759 Arseny Solokha changed: What|Removed |Added CC||asolokha at gmx dot com --- Comment #7

[Bug target/85616] ARM target using -O2 may cause unaligned access

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85616 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/85692] New: Two source permute not used for vector initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692 Bug ID: 85692 Summary: Two source permute not used for vector initialization Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug tree-optimization/85692] Two source permute not used for vector initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692 --- Comment #1 from Allan Jensen --- Created attachment 44084 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44084&action=edit construct.cc Motivating examples. Compile with -msse4.1 for the second case.

[Bug target/85665] Multiple typos in diagnostics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85665 Richard Biener changed: What|Removed |Added Target||arm --- Comment #5 from Richard Biener

[Bug tree-optimization/61502] == comparison on "one-past" pointer gives wrong result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 --- Comment #27 from Harald van Dijk --- (In reply to Richard Biener from comment #25) > (In reply to Harald van Dijk from comment #22) > > (In reply to Andrew Pinski from comment #21) > > > Invalid as mentioned a few times already but never actu

[Bug c++/70563] SFINAE fails when trying invalid template instantiation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70563 --- Comment #2 from paolo at gcc dot gnu.org --- Author: paolo Date: Tue May 8 10:03:39 2018 New Revision: 260030 URL: https://gcc.gnu.org/viewcvs?rev=260030&root=gcc&view=rev Log: 2018-05-08 Paolo Carlini PR c++/70563 * g++

[Bug c++/70563] SFINAE fails when trying invalid template instantiation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70563 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug go/85037] SIGSEGV in gotools testsuite affects several tests

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85037 --- Comment #1 from Uroš Bizjak --- The failure recently [1] changed to "fatal error: mallocgc called with gcphase == _GCmarktermination": FAIL: TestCgoSignalDeadlock crash_test.go:55: building testprogcgo []: exit status 2

[Bug tree-optimization/61502] == comparison on "one-past" pointer gives wrong result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 --- Comment #28 from rguenther at suse dot de --- On Tue, 8 May 2018, harald at gigawatt dot nl wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 > > --- Comment #27 from Harald van Dijk --- > (In reply to Richard Biener from comment

[Bug c++/68812] [concepts] bogus mismatched argument pack lengths

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68812 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/85668] ICE with substitution failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85668 Richard Biener changed: What|Removed |Added Keywords||ice-on-invalid-code Status|

[Bug target/85658] [8/9 Regression] gcc-8.0.1 stopped validating --with-arch= flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85658 --- Comment #5 from Richard Earnshaw --- Author: rearnsha Date: Tue May 8 10:21:34 2018 New Revision: 260032 URL: https://gcc.gnu.org/viewcvs?rev=260032&root=gcc&view=rev Log: [arm] PR target/85658 Fix operator precedence errors in parsecpu.awk

[Bug target/85666] gcc-8.0.1 fails to build mmix target: gcc/libgcc/libgcc2.h:203:20: internal compiler error: in leaf_function_p, at final.c:4488

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85666 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #3 from Wil

[Bug target/85669] fail on s-case-cfn-macros: build/gencfn-macros: DEF_INTERNAL_FLT/INT_FN (%smth%) has no associated built-in functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85669 Richard Biener changed: What|Removed |Added Keywords||build Component|regression

[Bug c++/85680] Missed optimization for value-init of variable-sized allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85680 --- Comment #4 from Marc Glisse --- All memset come from ldist, so already quite late in the pipeline. Maybe clang/intel, who avoid a comparison between new and the first memset, generate memset directly from the front-end? (clang generates the f

[Bug c/85678] -fno-common should be default

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85678 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/85658] [8/9 Regression] gcc-8.0.1 stopped validating --with-arch= flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85658 --- Comment #6 from Richard Earnshaw --- Author: rearnsha Date: Tue May 8 10:33:33 2018 New Revision: 260034 URL: https://gcc.gnu.org/viewcvs?rev=260034&root=gcc&view=rev Log: [arm] PR target/85658 Fix operator precedence errors in parsecpu.awk

[Bug target/85658] [8/9 Regression] gcc-8.0.1 stopped validating --with-arch= flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85658 Richard Earnshaw changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/85680] Missed optimization for value-init of variable-sized allocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85680 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Status|

[Bug target/85683] [8/9 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/85669] fail on s-case-cfn-macros: build/gencfn-macros: DEF_INTERNAL_FLT/INT_FN (%smth%) has no associated built-in functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85669 --- Comment #4 from Douglas Mencken --- (In reply to Richard Biener from comment #3) > How did you configure? As always ../gcc-8.1.0/configure \ --build=powerpc-unknown-darwin --host=powerpc-unknown-darwin --target=powerpc-unknown-darwin \ --pr

[Bug c++/57429] Dependent function call with one visible declaration, deleted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57429 --- Comment #2 from paolo at gcc dot gnu.org --- Author: paolo Date: Tue May 8 10:47:24 2018 New Revision: 260035 URL: https://gcc.gnu.org/viewcvs?rev=260035&root=gcc&view=rev Log: 2018-05-08 Paolo Carlini PR c++/57429 * g++

[Bug c++/57429] Dependent function call with one visible declaration, deleted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57429 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/85689] if constexpr compiles false branch

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85689 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libstdc++/85672] [9 Regression] error: redefinition of 'constexpr long double std::abs(long double)'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85672 --- Comment #11 from Marc Glisse --- (In reply to Jonathan Wakely from comment #8) > My autotools-fu is too weak to come up with anything better but I'd be very > happy if you can suggest something cleaner. For the general case, the autoconf man

[Bug libstdc++/85672] [9 Regression] error: redefinition of 'constexpr long double std::abs(long double)'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85672 --- Comment #12 from Jonathan Wakely --- Thanks for the suggestion, it would clean up a few things in c++config so I'll move to that next time, instead of adding another hack.

[Bug c++/85690] missing suggested header for std-qualified names

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85690 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/85586] [8/9 Regression] Optimizer produces different result on -O2 and -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85586 --- Comment #8 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Tue May 8 11:17:57 2018 New Revision: 260036 URL: https://gcc.gnu.org/viewcvs?rev=260036&root=gcc&view=rev Log: Tighten condition in vect/pr85586.c (PR 85654) 2018-05-

[Bug middle-end/85586] [8/9 Regression] Optimizer produces different result on -O2 and -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85586 --- Comment #9 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Tue May 8 11:18:40 2018 New Revision: 260037 URL: https://gcc.gnu.org/viewcvs?rev=260037&root=gcc&view=rev Log: Tighten condition in vect/pr85586.c (PR 85654) 2018-05-

[Bug testsuite/85654] [9 Regression] gcc.dg/vect/pr85586.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85654 --- Comment #2 from rsandifo at gcc dot gnu.org --- (In reply to Richard Biener from comment #1) > Not sure why we don't use versioning for alignment here. I think it's probably a case of not knowing at that stage that out[] is going to be impl

[Bug c++/85691] Faulty Class Member Default Initialization - No Warning or Error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85691 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/19808] miss a warning about uninitialized member usage in member initializer list in constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19808 Jonathan Wakely changed: What|Removed |Added CC||roger at rankedgaming dot com --- Comm

[Bug c++/19808] miss a warning about uninitialized member usage in member initializer list in constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19808 --- Comment #37 from Jonathan Wakely --- N.B. we should also warn using uninitialized members in default member initializers, e.g. both of these should produce a warning: struct X { int x1 = x2; int x2 = 0; }; X x{}; // causes definition o

[Bug testsuite/85654] [9 Regression] gcc.dg/vect/pr85586.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85654 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolutio

[Bug target/85665] Multiple typos in diagnostics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85665 --- Comment #6 from Jonathan Wakely --- (In reply to Roland Illig from comment #3) > (In reply to Jonathan Wakely from comment #2) > > It might be better to report multiple bugs, one per target backend, so that > > the relevant target maintainers

[Bug target/85665] Multiple typos in diagnostics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85665 --- Comment #7 from Jonathan Wakely --- (In reply to Richard Biener from comment #5) > Guessing this might be arm... Maybe some of them are arm but some are in other targets.

[Bug tree-optimization/85692] Two source permute not used for vector initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Status|

[Bug middle-end/85682] Regression: gcc.dg/tree-ssa/prefetch-5.c at r259995

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85682 --- Comment #2 from Luis Machado --- Did it even bootstrap properly? It shouldn't have been built in the first place i guess, due to the signedness error of a particular chunk of code. I did a fresh x86-64 bootstrap with the changes in and those

[Bug target/85480] zero extension from xmm to zmm via _mm512_insert???x? not optimized

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85480 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Tue May 8 12:02:38 2018 New Revision: 260039 URL: https://gcc.gnu.org/viewcvs?rev=260039&root=gcc&view=rev Log: PR target/85480 * config/i386/sse.md (ssequaterinsnmode):

[Bug target/85317] missing constant propagation on _mm(256)_movemask_*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85317 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Tue May 8 12:04:25 2018 New Revision: 260040 URL: https://gcc.gnu.org/viewcvs?rev=260040&root=gcc&view=rev Log: PR target/85317 * config/i386/i386.c (ix86_fold_builtin):

[Bug target/85572] faster code for absolute value of __v2di

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85572 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Tue May 8 12:16:19 2018 New Revision: 260041 URL: https://gcc.gnu.org/viewcvs?rev=260041&root=gcc&view=rev Log: PR target/85572 * config/i386/i386.c (ix86_expand_sse2_abs

[Bug target/85317] missing constant propagation on _mm(256)_movemask_*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85317 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug target/85480] zero extension from xmm to zmm via _mm512_insert???x? not optimized

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85480 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug target/85572] faster code for absolute value of __v2di

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85572 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/61502] == comparison on "one-past" pointer gives wrong result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 --- Comment #29 from Peter Sewell --- On 8 May 2018 at 08:22, rguenth at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502 > > --- Comment #25 from Richard Biener --- > (In reply to Harald van Dijk from comment #22) >

[Bug libstdc++/85672] [9 Regression] error: redefinition of 'constexpr long double std::abs(long double)'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85672 --- Comment #13 from Jonathan Wakely --- Author: redi Date: Tue May 8 13:05:04 2018 New Revision: 260043 URL: https://gcc.gnu.org/viewcvs?rev=260043&root=gcc&view=rev Log: PR libstdc++/85672 #undef _GLIBCXX_USE_FLOAT128 when not supported Rest

[Bug middle-end/85567] [7/8 Regression] internal compiler error: in gimplify_modify_expr, at gimplify.c:5797 when using sincos()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85567 --- Comment #4 from Richard Biener --- Author: rguenth Date: Tue May 8 13:33:54 2018 New Revision: 260044 URL: https://gcc.gnu.org/viewcvs?rev=260044&root=gcc&view=rev Log: 2018-05-08 Richard Biener Backport from mainline 20

[Bug tree-optimization/85597] [6/7/8 Regression] internal compiler error: in compute_live_loop_exits, at tree-ssa-loop-manip.c:229

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85597 --- Comment #5 from Richard Biener --- Author: rguenth Date: Tue May 8 13:33:54 2018 New Revision: 260044 URL: https://gcc.gnu.org/viewcvs?rev=260044&root=gcc&view=rev Log: 2018-05-08 Richard Biener Backport from mainline 20

[Bug tree-optimization/85615] [8 Regression] ICE at -O2 and above on valid code on x86_64-linux-gnu: in dfs_enumerate_from, at cfganal.c:1197

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85615 --- Comment #8 from Richard Biener --- Author: rguenth Date: Tue May 8 13:33:54 2018 New Revision: 260044 URL: https://gcc.gnu.org/viewcvs?rev=260044&root=gcc&view=rev Log: 2018-05-08 Richard Biener Backport from mainline 20

[Bug tree-optimization/85588] [6/7/8 Regression] -fwrapv miscompilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85588 --- Comment #10 from Richard Biener --- Author: rguenth Date: Tue May 8 13:33:54 2018 New Revision: 260044 URL: https://gcc.gnu.org/viewcvs?rev=260044&root=gcc&view=rev Log: 2018-05-08 Richard Biener Backport from mainline 2

[Bug tree-optimization/85615] [8 Regression] ICE at -O2 and above on valid code on x86_64-linux-gnu: in dfs_enumerate_from, at cfganal.c:1197

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85615 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/85616] ARM target using -O2 may cause unaligned access

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85616 Denis Roux changed: What|Removed |Added Resolution|INVALID |FIXED --- Comment #6 from Denis Roux --- O

[Bug libstdc++/85672] [9 Regression] error: redefinition of 'constexpr long double std::abs(long double)'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85672 Jonathan Wakely changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/85693] New: Generation of SAD (Sum of Absolute Difference) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85693 Bug ID: 85693 Summary: Generation of SAD (Sum of Absolute Difference) instruction Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal P

[Bug tree-optimization/85693] Generation of SAD (Sum of Absolute Difference) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85693 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org --- Comment

[Bug tree-optimization/85694] New: Generation of vectorized AVG (Average) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85694 Bug ID: 85694 Summary: Generation of vectorized AVG (Average) instruction Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Compone

[Bug c++/85695] New: if constexpr misevaluates typedefed type value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85695 Bug ID: 85695 Summary: if constexpr misevaluates typedefed type value Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c+

[Bug tree-optimization/85692] Two source permute not used for vector initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #3

[Bug tree-optimization/85693] Generation of SAD (Sum of Absolute Difference) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85693 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/85634] [8/9 Regression] ICE in tsubst_copy, at cp/pt.c:15483

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85634 Jason Merrill changed: What|Removed |Added CC||jason at gcc dot gnu.org --- Comment #6

[Bug c/85696] New: OpenMP with variably modified and default(none) won't compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85696 Bug ID: 85696 Summary: OpenMP with variably modified and default(none) won't compile Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal

[Bug c/85696] OpenMP with variably modified and default(none) won't compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85696 gcc-bugzilla at zulan dot net changed: What|Removed |Added Attachment #44085|0 |1 is obsolete|

[Bug c/85696] OpenMP with variably modified and default(none) won't compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85696 --- Comment #2 from gcc-bugzilla at zulan dot net --- Created attachment 44087 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44087&action=edit minimal example

[Bug tree-optimization/85694] Generation of vectorized AVG (Average) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85694 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Target|

[Bug tree-optimization/85694] Generation of vectorized AVG (Average) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85694 --- Comment #2 from Richard Biener --- Hmm, but if you have 255 + 255 + 1 then you need to use pavgw at least, otherwise the vectorization isn't semantically equivalent? Or do the instructions compute the intermediate results in greater precisio

[Bug tree-optimization/85692] Two source permute not used for vector initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692 --- Comment #4 from Allan Jensen --- Note I already posted a patch on gcc-patches myself. It is very similar to yours

[Bug tree-optimization/85692] Two source permute not used for vector initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692 --- Comment #5 from Allan Jensen --- Created attachment 44088 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44088&action=edit suggested patch

[Bug ipa/85103] [8/9 Regression] Performance regressions on SPEC with r257582

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85103 David Edelsohn changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/85697] New: At -Os nontrivial ctor does not use SSE to zero

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85697 Bug ID: 85697 Summary: At -Os nontrivial ctor does not use SSE to zero Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: t

[Bug tree-optimization/85698] New: CPU2017 525.x264_r fails starting with r257581

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85698 Bug ID: 85698 Summary: CPU2017 525.x264_r fails starting with r257581 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree

[Bug tree-optimization/85699] New: [8 regression] gcc.dg/nextafter-2.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85699 Bug ID: 85699 Summary: [8 regression] gcc.dg/nextafter-2.c fail Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-o

[Bug c++/85695] if constexpr misevaluates typedefed type value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85695 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/85699] [9 regression] gcc.dg/nextafter-2.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85699 Jakub Jelinek changed: What|Removed |Added Summary|[8 regression] |[9 regression] |gcc.dg

[Bug c++/85695] [8/9 Regression] if constexpr misevaluates typedefed type value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85695 Jonathan Wakely changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org Target M

[Bug target/85683] [8/9 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Tue May 8 16:17:34 2018 New Revision: 260045 URL: https://gcc.gnu.org/viewcvs?rev=260045&root=gcc&view=rev Log: PR target/85683 * config/i386/i386.md: Add peepholes for m

[Bug tree-optimization/85694] Generation of vectorized AVG (Average) instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85694 --- Comment #3 from Uroš Bizjak --- (In reply to Richard Biener from comment #2) > Hmm, but if you have 255 + 255 + 1 then you need to use pavgw at least, > otherwise the vectorization isn't semantically equivalent? Or do the > instructions comp

[Bug target/85683] [8 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683 Jakub Jelinek changed: What|Removed |Added Summary|[8/9 Regression] GCC 8 |[8 Regression] GCC 8 |

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